Index: gcc/libstdc++-v3/include/ext/mt_allocator.h |
diff --git a/gcc/libstdc++-v3/include/ext/mt_allocator.h b/gcc/libstdc++-v3/include/ext/mt_allocator.h |
deleted file mode 100644 |
index f03f3a61030cb2113c996905ac9392ac32596c67..0000000000000000000000000000000000000000 |
--- a/gcc/libstdc++-v3/include/ext/mt_allocator.h |
+++ /dev/null |
@@ -1,751 +0,0 @@ |
-// MT-optimized allocator -*- C++ -*- |
- |
-// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
-// Free Software Foundation, Inc. |
-// |
-// This file is part of the GNU ISO C++ Library. This library is free |
-// software; you can redistribute it and/or modify it under the |
-// terms of the GNU General Public License as published by the |
-// Free Software Foundation; either version 3, or (at your option) |
-// any later version. |
- |
-// This library is distributed in the hope that it will be useful, |
-// but WITHOUT ANY WARRANTY; without even the implied warranty of |
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
-// GNU General Public License for more details. |
- |
-// Under Section 7 of GPL version 3, you are granted additional |
-// permissions described in the GCC Runtime Library Exception, version |
-// 3.1, as published by the Free Software Foundation. |
- |
-// You should have received a copy of the GNU General Public License and |
-// a copy of the GCC Runtime Library Exception along with this program; |
-// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
-// <http://www.gnu.org/licenses/>. |
- |
-/** @file ext/mt_allocator.h |
- * This file is a GNU extension to the Standard C++ Library. |
- */ |
- |
-#ifndef _MT_ALLOCATOR_H |
-#define _MT_ALLOCATOR_H 1 |
- |
-#include <new> |
-#include <cstdlib> |
-#include <bits/functexcept.h> |
-#include <ext/atomicity.h> |
-#include <bits/move.h> |
- |
-_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) |
- |
- using std::size_t; |
- using std::ptrdiff_t; |
- |
- typedef void (*__destroy_handler)(void*); |
- |
- /// Base class for pool object. |
- struct __pool_base |
- { |
- // Using short int as type for the binmap implies we are never |
- // caching blocks larger than 32768 with this allocator. |
- typedef unsigned short int _Binmap_type; |
- |
- // Variables used to configure the behavior of the allocator, |
- // assigned and explained in detail below. |
- struct _Tune |
- { |
- // Compile time constants for the default _Tune values. |
- enum { _S_align = 8 }; |
- enum { _S_max_bytes = 128 }; |
- enum { _S_min_bin = 8 }; |
- enum { _S_chunk_size = 4096 - 4 * sizeof(void*) }; |
- enum { _S_max_threads = 4096 }; |
- enum { _S_freelist_headroom = 10 }; |
- |
- // Alignment needed. |
- // NB: In any case must be >= sizeof(_Block_record), that |
- // is 4 on 32 bit machines and 8 on 64 bit machines. |
- size_t _M_align; |
- |
- // Allocation requests (after round-up to power of 2) below |
- // this value will be handled by the allocator. A raw new/ |
- // call will be used for requests larger than this value. |
- // NB: Must be much smaller than _M_chunk_size and in any |
- // case <= 32768. |
- size_t _M_max_bytes; |
- |
- // Size in bytes of the smallest bin. |
- // NB: Must be a power of 2 and >= _M_align (and of course |
- // much smaller than _M_max_bytes). |
- size_t _M_min_bin; |
- |
- // In order to avoid fragmenting and minimize the number of |
- // new() calls we always request new memory using this |
- // value. Based on previous discussions on the libstdc++ |
- // mailing list we have chosen the value below. |
- // See http://gcc.gnu.org/ml/libstdc++/2001-07/msg00077.html |
- // NB: At least one order of magnitude > _M_max_bytes. |
- size_t _M_chunk_size; |
- |
- // The maximum number of supported threads. For |
- // single-threaded operation, use one. Maximum values will |
- // vary depending on details of the underlying system. (For |
- // instance, Linux 2.4.18 reports 4070 in |
- // /proc/sys/kernel/threads-max, while Linux 2.6.6 reports |
- // 65534) |
- size_t _M_max_threads; |
- |
- // Each time a deallocation occurs in a threaded application |
- // we make sure that there are no more than |
- // _M_freelist_headroom % of used memory on the freelist. If |
- // the number of additional records is more than |
- // _M_freelist_headroom % of the freelist, we move these |
- // records back to the global pool. |
- size_t _M_freelist_headroom; |
- |
- // Set to true forces all allocations to use new(). |
- bool _M_force_new; |
- |
- explicit |
- _Tune() |
- : _M_align(_S_align), _M_max_bytes(_S_max_bytes), _M_min_bin(_S_min_bin), |
- _M_chunk_size(_S_chunk_size), _M_max_threads(_S_max_threads), |
- _M_freelist_headroom(_S_freelist_headroom), |
- _M_force_new(std::getenv("GLIBCXX_FORCE_NEW") ? true : false) |
- { } |
- |
- explicit |
- _Tune(size_t __align, size_t __maxb, size_t __minbin, size_t __chunk, |
- size_t __maxthreads, size_t __headroom, bool __force) |
- : _M_align(__align), _M_max_bytes(__maxb), _M_min_bin(__minbin), |
- _M_chunk_size(__chunk), _M_max_threads(__maxthreads), |
- _M_freelist_headroom(__headroom), _M_force_new(__force) |
- { } |
- }; |
- |
- struct _Block_address |
- { |
- void* _M_initial; |
- _Block_address* _M_next; |
- }; |
- |
- const _Tune& |
- _M_get_options() const |
- { return _M_options; } |
- |
- void |
- _M_set_options(_Tune __t) |
- { |
- if (!_M_init) |
- _M_options = __t; |
- } |
- |
- bool |
- _M_check_threshold(size_t __bytes) |
- { return __bytes > _M_options._M_max_bytes || _M_options._M_force_new; } |
- |
- size_t |
- _M_get_binmap(size_t __bytes) |
- { return _M_binmap[__bytes]; } |
- |
- size_t |
- _M_get_align() |
- { return _M_options._M_align; } |
- |
- explicit |
- __pool_base() |
- : _M_options(_Tune()), _M_binmap(NULL), _M_init(false) { } |
- |
- explicit |
- __pool_base(const _Tune& __options) |
- : _M_options(__options), _M_binmap(NULL), _M_init(false) { } |
- |
- private: |
- explicit |
- __pool_base(const __pool_base&); |
- |
- __pool_base& |
- operator=(const __pool_base&); |
- |
- protected: |
- // Configuration options. |
- _Tune _M_options; |
- |
- _Binmap_type* _M_binmap; |
- |
- // Configuration of the pool object via _M_options can happen |
- // after construction but before initialization. After |
- // initialization is complete, this variable is set to true. |
- bool _M_init; |
- }; |
- |
- |
- /** |
- * @brief Data describing the underlying memory pool, parameterized on |
- * threading support. |
- */ |
- template<bool _Thread> |
- class __pool; |
- |
- /// Specialization for single thread. |
- template<> |
- class __pool<false> : public __pool_base |
- { |
- public: |
- union _Block_record |
- { |
- // Points to the block_record of the next free block. |
- _Block_record* _M_next; |
- }; |
- |
- struct _Bin_record |
- { |
- // An "array" of pointers to the first free block. |
- _Block_record** _M_first; |
- |
- // A list of the initial addresses of all allocated blocks. |
- _Block_address* _M_address; |
- }; |
- |
- void |
- _M_initialize_once() |
- { |
- if (__builtin_expect(_M_init == false, false)) |
- _M_initialize(); |
- } |
- |
- void |
- _M_destroy() throw(); |
- |
- char* |
- _M_reserve_block(size_t __bytes, const size_t __thread_id); |
- |
- void |
- _M_reclaim_block(char* __p, size_t __bytes); |
- |
- size_t |
- _M_get_thread_id() { return 0; } |
- |
- const _Bin_record& |
- _M_get_bin(size_t __which) |
- { return _M_bin[__which]; } |
- |
- void |
- _M_adjust_freelist(const _Bin_record&, _Block_record*, size_t) |
- { } |
- |
- explicit __pool() |
- : _M_bin(NULL), _M_bin_size(1) { } |
- |
- explicit __pool(const __pool_base::_Tune& __tune) |
- : __pool_base(__tune), _M_bin(NULL), _M_bin_size(1) { } |
- |
- private: |
- // An "array" of bin_records each of which represents a specific |
- // power of 2 size. Memory to this "array" is allocated in |
- // _M_initialize(). |
- _Bin_record* _M_bin; |
- |
- // Actual value calculated in _M_initialize(). |
- size_t _M_bin_size; |
- |
- void |
- _M_initialize(); |
- }; |
- |
-#ifdef __GTHREADS |
- /// Specialization for thread enabled, via gthreads.h. |
- template<> |
- class __pool<true> : public __pool_base |
- { |
- public: |
- // Each requesting thread is assigned an id ranging from 1 to |
- // _S_max_threads. Thread id 0 is used as a global memory pool. |
- // In order to get constant performance on the thread assignment |
- // routine, we keep a list of free ids. When a thread first |
- // requests memory we remove the first record in this list and |
- // stores the address in a __gthread_key. When initializing the |
- // __gthread_key we specify a destructor. When this destructor |
- // (i.e. the thread dies) is called, we return the thread id to |
- // the front of this list. |
- struct _Thread_record |
- { |
- // Points to next free thread id record. NULL if last record in list. |
- _Thread_record* _M_next; |
- |
- // Thread id ranging from 1 to _S_max_threads. |
- size_t _M_id; |
- }; |
- |
- union _Block_record |
- { |
- // Points to the block_record of the next free block. |
- _Block_record* _M_next; |
- |
- // The thread id of the thread which has requested this block. |
- size_t _M_thread_id; |
- }; |
- |
- struct _Bin_record |
- { |
- // An "array" of pointers to the first free block for each |
- // thread id. Memory to this "array" is allocated in |
- // _S_initialize() for _S_max_threads + global pool 0. |
- _Block_record** _M_first; |
- |
- // A list of the initial addresses of all allocated blocks. |
- _Block_address* _M_address; |
- |
- // An "array" of counters used to keep track of the amount of |
- // blocks that are on the freelist/used for each thread id. |
- // - Note that the second part of the allocated _M_used "array" |
- // actually hosts (atomic) counters of reclaimed blocks: in |
- // _M_reserve_block and in _M_reclaim_block those numbers are |
- // subtracted from the first ones to obtain the actual size |
- // of the "working set" of the given thread. |
- // - Memory to these "arrays" is allocated in _S_initialize() |
- // for _S_max_threads + global pool 0. |
- size_t* _M_free; |
- size_t* _M_used; |
- |
- // Each bin has its own mutex which is used to ensure data |
- // integrity while changing "ownership" on a block. The mutex |
- // is initialized in _S_initialize(). |
- __gthread_mutex_t* _M_mutex; |
- }; |
- |
- // XXX GLIBCXX_ABI Deprecated |
- void |
- _M_initialize(__destroy_handler); |
- |
- void |
- _M_initialize_once() |
- { |
- if (__builtin_expect(_M_init == false, false)) |
- _M_initialize(); |
- } |
- |
- void |
- _M_destroy() throw(); |
- |
- char* |
- _M_reserve_block(size_t __bytes, const size_t __thread_id); |
- |
- void |
- _M_reclaim_block(char* __p, size_t __bytes); |
- |
- const _Bin_record& |
- _M_get_bin(size_t __which) |
- { return _M_bin[__which]; } |
- |
- void |
- _M_adjust_freelist(const _Bin_record& __bin, _Block_record* __block, |
- size_t __thread_id) |
- { |
- if (__gthread_active_p()) |
- { |
- __block->_M_thread_id = __thread_id; |
- --__bin._M_free[__thread_id]; |
- ++__bin._M_used[__thread_id]; |
- } |
- } |
- |
- // XXX GLIBCXX_ABI Deprecated |
- void |
- _M_destroy_thread_key(void*); |
- |
- size_t |
- _M_get_thread_id(); |
- |
- explicit __pool() |
- : _M_bin(NULL), _M_bin_size(1), _M_thread_freelist(NULL) |
- { } |
- |
- explicit __pool(const __pool_base::_Tune& __tune) |
- : __pool_base(__tune), _M_bin(NULL), _M_bin_size(1), |
- _M_thread_freelist(NULL) |
- { } |
- |
- private: |
- // An "array" of bin_records each of which represents a specific |
- // power of 2 size. Memory to this "array" is allocated in |
- // _M_initialize(). |
- _Bin_record* _M_bin; |
- |
- // Actual value calculated in _M_initialize(). |
- size_t _M_bin_size; |
- |
- _Thread_record* _M_thread_freelist; |
- void* _M_thread_freelist_initial; |
- |
- void |
- _M_initialize(); |
- }; |
-#endif |
- |
- template<template <bool> class _PoolTp, bool _Thread> |
- struct __common_pool |
- { |
- typedef _PoolTp<_Thread> pool_type; |
- |
- static pool_type& |
- _S_get_pool() |
- { |
- static pool_type _S_pool; |
- return _S_pool; |
- } |
- }; |
- |
- template<template <bool> class _PoolTp, bool _Thread> |
- struct __common_pool_base; |
- |
- template<template <bool> class _PoolTp> |
- struct __common_pool_base<_PoolTp, false> |
- : public __common_pool<_PoolTp, false> |
- { |
- using __common_pool<_PoolTp, false>::_S_get_pool; |
- |
- static void |
- _S_initialize_once() |
- { |
- static bool __init; |
- if (__builtin_expect(__init == false, false)) |
- { |
- _S_get_pool()._M_initialize_once(); |
- __init = true; |
- } |
- } |
- }; |
- |
-#ifdef __GTHREADS |
- template<template <bool> class _PoolTp> |
- struct __common_pool_base<_PoolTp, true> |
- : public __common_pool<_PoolTp, true> |
- { |
- using __common_pool<_PoolTp, true>::_S_get_pool; |
- |
- static void |
- _S_initialize() |
- { _S_get_pool()._M_initialize_once(); } |
- |
- static void |
- _S_initialize_once() |
- { |
- static bool __init; |
- if (__builtin_expect(__init == false, false)) |
- { |
- if (__gthread_active_p()) |
- { |
- // On some platforms, __gthread_once_t is an aggregate. |
- static __gthread_once_t __once = __GTHREAD_ONCE_INIT; |
- __gthread_once(&__once, _S_initialize); |
- } |
- |
- // Double check initialization. May be necessary on some |
- // systems for proper construction when not compiling with |
- // thread flags. |
- _S_get_pool()._M_initialize_once(); |
- __init = true; |
- } |
- } |
- }; |
-#endif |
- |
- /// Policy for shared __pool objects. |
- template<template <bool> class _PoolTp, bool _Thread> |
- struct __common_pool_policy : public __common_pool_base<_PoolTp, _Thread> |
- { |
- template<typename _Tp1, template <bool> class _PoolTp1 = _PoolTp, |
- bool _Thread1 = _Thread> |
- struct _M_rebind |
- { typedef __common_pool_policy<_PoolTp1, _Thread1> other; }; |
- |
- using __common_pool_base<_PoolTp, _Thread>::_S_get_pool; |
- using __common_pool_base<_PoolTp, _Thread>::_S_initialize_once; |
- }; |
- |
- |
- template<typename _Tp, template <bool> class _PoolTp, bool _Thread> |
- struct __per_type_pool |
- { |
- typedef _Tp value_type; |
- typedef _PoolTp<_Thread> pool_type; |
- |
- static pool_type& |
- _S_get_pool() |
- { |
- // Sane defaults for the _PoolTp. |
- typedef typename pool_type::_Block_record _Block_record; |
- const static size_t __a = (__alignof__(_Tp) >= sizeof(_Block_record) |
- ? __alignof__(_Tp) : sizeof(_Block_record)); |
- |
- typedef typename __pool_base::_Tune _Tune; |
- static _Tune _S_tune(__a, sizeof(_Tp) * 64, |
- sizeof(_Tp) * 2 >= __a ? sizeof(_Tp) * 2 : __a, |
- sizeof(_Tp) * size_t(_Tune::_S_chunk_size), |
- _Tune::_S_max_threads, |
- _Tune::_S_freelist_headroom, |
- std::getenv("GLIBCXX_FORCE_NEW") ? true : false); |
- static pool_type _S_pool(_S_tune); |
- return _S_pool; |
- } |
- }; |
- |
- template<typename _Tp, template <bool> class _PoolTp, bool _Thread> |
- struct __per_type_pool_base; |
- |
- template<typename _Tp, template <bool> class _PoolTp> |
- struct __per_type_pool_base<_Tp, _PoolTp, false> |
- : public __per_type_pool<_Tp, _PoolTp, false> |
- { |
- using __per_type_pool<_Tp, _PoolTp, false>::_S_get_pool; |
- |
- static void |
- _S_initialize_once() |
- { |
- static bool __init; |
- if (__builtin_expect(__init == false, false)) |
- { |
- _S_get_pool()._M_initialize_once(); |
- __init = true; |
- } |
- } |
- }; |
- |
- #ifdef __GTHREADS |
- template<typename _Tp, template <bool> class _PoolTp> |
- struct __per_type_pool_base<_Tp, _PoolTp, true> |
- : public __per_type_pool<_Tp, _PoolTp, true> |
- { |
- using __per_type_pool<_Tp, _PoolTp, true>::_S_get_pool; |
- |
- static void |
- _S_initialize() |
- { _S_get_pool()._M_initialize_once(); } |
- |
- static void |
- _S_initialize_once() |
- { |
- static bool __init; |
- if (__builtin_expect(__init == false, false)) |
- { |
- if (__gthread_active_p()) |
- { |
- // On some platforms, __gthread_once_t is an aggregate. |
- static __gthread_once_t __once = __GTHREAD_ONCE_INIT; |
- __gthread_once(&__once, _S_initialize); |
- } |
- |
- // Double check initialization. May be necessary on some |
- // systems for proper construction when not compiling with |
- // thread flags. |
- _S_get_pool()._M_initialize_once(); |
- __init = true; |
- } |
- } |
- }; |
-#endif |
- |
- /// Policy for individual __pool objects. |
- template<typename _Tp, template <bool> class _PoolTp, bool _Thread> |
- struct __per_type_pool_policy |
- : public __per_type_pool_base<_Tp, _PoolTp, _Thread> |
- { |
- template<typename _Tp1, template <bool> class _PoolTp1 = _PoolTp, |
- bool _Thread1 = _Thread> |
- struct _M_rebind |
- { typedef __per_type_pool_policy<_Tp1, _PoolTp1, _Thread1> other; }; |
- |
- using __per_type_pool_base<_Tp, _PoolTp, _Thread>::_S_get_pool; |
- using __per_type_pool_base<_Tp, _PoolTp, _Thread>::_S_initialize_once; |
- }; |
- |
- |
- /// Base class for _Tp dependent member functions. |
- template<typename _Tp> |
- class __mt_alloc_base |
- { |
- public: |
- typedef size_t size_type; |
- typedef ptrdiff_t difference_type; |
- typedef _Tp* pointer; |
- typedef const _Tp* const_pointer; |
- typedef _Tp& reference; |
- typedef const _Tp& const_reference; |
- typedef _Tp value_type; |
- |
- pointer |
- address(reference __x) const |
- { return &__x; } |
- |
- const_pointer |
- address(const_reference __x) const |
- { return &__x; } |
- |
- size_type |
- max_size() const throw() |
- { return size_t(-1) / sizeof(_Tp); } |
- |
- // _GLIBCXX_RESOLVE_LIB_DEFECTS |
- // 402. wrong new expression in [some_] allocator::construct |
- void |
- construct(pointer __p, const _Tp& __val) |
- { ::new((void *)__p) _Tp(__val); } |
- |
-#ifdef __GXX_EXPERIMENTAL_CXX0X__ |
- template<typename... _Args> |
- void |
- construct(pointer __p, _Args&&... __args) |
- { ::new((void *)__p) _Tp(std::forward<_Args>(__args)...); } |
-#endif |
- |
- void |
- destroy(pointer __p) { __p->~_Tp(); } |
- }; |
- |
-#ifdef __GTHREADS |
-#define __thread_default true |
-#else |
-#define __thread_default false |
-#endif |
- |
- /** |
- * @brief This is a fixed size (power of 2) allocator which - when |
- * compiled with thread support - will maintain one freelist per |
- * size per thread plus a "global" one. Steps are taken to limit |
- * the per thread freelist sizes (by returning excess back to |
- * the "global" list). |
- * @ingroup allocators |
- * |
- * Further details: |
- * http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt12ch32.html |
- */ |
- template<typename _Tp, |
- typename _Poolp = __common_pool_policy<__pool, __thread_default> > |
- class __mt_alloc : public __mt_alloc_base<_Tp> |
- { |
- public: |
- typedef size_t size_type; |
- typedef ptrdiff_t difference_type; |
- typedef _Tp* pointer; |
- typedef const _Tp* const_pointer; |
- typedef _Tp& reference; |
- typedef const _Tp& const_reference; |
- typedef _Tp value_type; |
- typedef _Poolp __policy_type; |
- typedef typename _Poolp::pool_type __pool_type; |
- |
- template<typename _Tp1, typename _Poolp1 = _Poolp> |
- struct rebind |
- { |
- typedef typename _Poolp1::template _M_rebind<_Tp1>::other pol_type; |
- typedef __mt_alloc<_Tp1, pol_type> other; |
- }; |
- |
- __mt_alloc() throw() { } |
- |
- __mt_alloc(const __mt_alloc&) throw() { } |
- |
- template<typename _Tp1, typename _Poolp1> |
- __mt_alloc(const __mt_alloc<_Tp1, _Poolp1>&) throw() { } |
- |
- ~__mt_alloc() throw() { } |
- |
- pointer |
- allocate(size_type __n, const void* = 0); |
- |
- void |
- deallocate(pointer __p, size_type __n); |
- |
- const __pool_base::_Tune |
- _M_get_options() |
- { |
- // Return a copy, not a reference, for external consumption. |
- return __policy_type::_S_get_pool()._M_get_options(); |
- } |
- |
- void |
- _M_set_options(__pool_base::_Tune __t) |
- { __policy_type::_S_get_pool()._M_set_options(__t); } |
- }; |
- |
- template<typename _Tp, typename _Poolp> |
- typename __mt_alloc<_Tp, _Poolp>::pointer |
- __mt_alloc<_Tp, _Poolp>:: |
- allocate(size_type __n, const void*) |
- { |
- if (__builtin_expect(__n > this->max_size(), false)) |
- std::__throw_bad_alloc(); |
- |
- __policy_type::_S_initialize_once(); |
- |
- // Requests larger than _M_max_bytes are handled by operator |
- // new/delete directly. |
- __pool_type& __pool = __policy_type::_S_get_pool(); |
- const size_t __bytes = __n * sizeof(_Tp); |
- if (__pool._M_check_threshold(__bytes)) |
- { |
- void* __ret = ::operator new(__bytes); |
- return static_cast<_Tp*>(__ret); |
- } |
- |
- // Round up to power of 2 and figure out which bin to use. |
- const size_t __which = __pool._M_get_binmap(__bytes); |
- const size_t __thread_id = __pool._M_get_thread_id(); |
- |
- // Find out if we have blocks on our freelist. If so, go ahead |
- // and use them directly without having to lock anything. |
- char* __c; |
- typedef typename __pool_type::_Bin_record _Bin_record; |
- const _Bin_record& __bin = __pool._M_get_bin(__which); |
- if (__bin._M_first[__thread_id]) |
- { |
- // Already reserved. |
- typedef typename __pool_type::_Block_record _Block_record; |
- _Block_record* __block = __bin._M_first[__thread_id]; |
- __bin._M_first[__thread_id] = __block->_M_next; |
- |
- __pool._M_adjust_freelist(__bin, __block, __thread_id); |
- __c = reinterpret_cast<char*>(__block) + __pool._M_get_align(); |
- } |
- else |
- { |
- // Null, reserve. |
- __c = __pool._M_reserve_block(__bytes, __thread_id); |
- } |
- return static_cast<_Tp*>(static_cast<void*>(__c)); |
- } |
- |
- template<typename _Tp, typename _Poolp> |
- void |
- __mt_alloc<_Tp, _Poolp>:: |
- deallocate(pointer __p, size_type __n) |
- { |
- if (__builtin_expect(__p != 0, true)) |
- { |
- // Requests larger than _M_max_bytes are handled by |
- // operators new/delete directly. |
- __pool_type& __pool = __policy_type::_S_get_pool(); |
- const size_t __bytes = __n * sizeof(_Tp); |
- if (__pool._M_check_threshold(__bytes)) |
- ::operator delete(__p); |
- else |
- __pool._M_reclaim_block(reinterpret_cast<char*>(__p), __bytes); |
- } |
- } |
- |
- template<typename _Tp, typename _Poolp> |
- inline bool |
- operator==(const __mt_alloc<_Tp, _Poolp>&, const __mt_alloc<_Tp, _Poolp>&) |
- { return true; } |
- |
- template<typename _Tp, typename _Poolp> |
- inline bool |
- operator!=(const __mt_alloc<_Tp, _Poolp>&, const __mt_alloc<_Tp, _Poolp>&) |
- { return false; } |
- |
-#undef __thread_default |
- |
-_GLIBCXX_END_NAMESPACE |
- |
-#endif |